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A simplified evaluation method of biodegradable plastic (poly(lactic acid)) products

机译：一种可生物降解塑料（聚乳酸）产品的简化评估方法

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摘要

Recently, various PLA products for agricultural uses have appeared in the market. The purpose of this study is to propose a simplified evaluation method based on the particular degradation characteristics of PLA in primary biodegradation, which could predict degradation time by composting. The authors compared the results with the verification results by composting. We found that PLA products degraded within the expected periods under composting condition. Also, a primary degradation of PLA was greatly influenced by sample shape and polymer structure, but the influence on an ultimate degradation was small. As a result, it was considered that the simplified evaluation method could be effective method to find degradation time of PLA by composting.
机译：最近，各种用于农业的PLA产品已经出现在市场上。这项研究的目的是基于原始生物降解中PLA的特定降解特征，提出一种简化的评估方法，该方法可以通过堆肥预测降解时间。作者通过堆肥将结果与验证结果进行了比较。我们发现，在堆肥条件下，PLA产品会在预期的时间内降解。同样，PLA的一次降解受样品形状和聚合物结构的影响很大，但对最终降解的影响很小。结果，认为简化的评估方法可能是通过堆肥确定PLA降解时间的有效方法。

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